CN2680389Y

CN2680389Y - Outer sphere machining lathe tool

Info

Publication number: CN2680389Y
Application number: CN 200420039487
Authority: CN
Inventors: 赵明发; 付丽华; 刘军; 仇世伟
Original assignee: Qingdao Port Group Co Ltd
Current assignee: Qingdao Port Group Co Ltd
Priority date: 2004-03-24
Filing date: 2004-03-24
Publication date: 2005-02-23
Anticipated expiration: 2014-03-24

Abstract

The utility model discloses an outer sphere machining lathe tool. A pressing plate which is connected with a knife body box and can be pressed on a lathe knife bracket is arranged in one side of the middle part of the knife body box, a worm wheel box is arranged in one end head of the knife body box, and a hand wheel is fixed on one end of a worm rod supported and installed in the worm wheel box. One end of a driving shaft is supported on the wall of the worm wheel box, the other end of the driving shaft is supported on the wall of one end of the knife body box far from the worm wheel box, and the worm wheel meshed the worm rod is fixed on an inner driving shaft of the worm wheel box. A rotary plate is fixed on one end head part of the driving shaft extending out of the knife body box, the end surface of the rotary plate can be rotatablely pressed on the end surface of the knife body box, an arc knife rod is arranged in the other end of the rotary plate, and a knife head is fixed in the end part of the arc knife rod. The user can rotate the hand wheel by hand to drive the knife head to cut, and the cutting depth of each feeding knife in whole cutting process is completely same for the knife head moves according to a fixed track. The outer sphere machining lathe tool has the advantages of high precision, high work efficiency, low labor intensity and low rejection rate.

Description

Outer spheroid processing lathe tool

Technical field

The utility model belongs to machine tools, and specifically a kind of being installed on the lathe saddle is used for processing the lathe tool of outer spheroid.

Background technology

Spheroid outside the processing on engine lathe, it generally is the motion of with the hands controlling the vertical and horizontal slide carriage of knife rest, the lengthwise movement that perhaps makes slide carriage is motor-driven, transverse movement is with hand handwheel control, be that left hand shakes the handwheel on the big cargo chute, the right hand shakes the running orbit of the handwheel control lathe tool on the horizontal slide carriage, after treating that car arrives outer spheroid basic forming, on spherical outside surface, lean on the shape of wanting turning that finally reaches with shaped profile turning cutter again, the outer spheroid that this sample car comes out is very lack of standardization, particularly in the machine-building that is used for matching with Internal Spherical Surface, precision is low does not reach the design effect of expection, can influence the construction quality of engineering during use; Even if can be used in inadequate spendable place in addition, also very low with the efficient of said method processing, workman's will concentrate one's energy with the hands to control operation of lathe tool, labour intensity is big, the percent defective height.

The utility model content

In order to solve the longitudinal and transverse slide carriage of operating lathe by hand system outer spheroid precision low, the problems such as work efficiency is low, labour intensity is big, percent defective height of sending a car, the technical solution of the utility model is: in middle part one side of the hollow cutter hub case of elongated, be provided with its disjunctor, can be pressed in the pressing plate on the lathe saddle, one termination of cutter hub case is equipped with worm gear case, and worm screw one end that the case internal support is installed is fixed with handwheel; Power transmission shaft is installed along the length direction of cutter hub case, one end bearing is on the tank wall of worm gear case, the other end be bearing in the cutter hub case on the tank wall of worm gear case end and stretch out outside the case, the worm gear that is meshed with worm screw is fixed on the worm gear case intermediate solid drive shaft, stretch out the end at power transmission shaft and be fixed with rotating disk, the end face of rotating disk leans against on the end face of cutter hub case rotationally, the rotating disk other end is equipped with the arc knife bar, when pressing plate 8 is pressed on the knife rest 19 of lathe, the center line of the cutter hub case 7 of elongated is perpendicular to lathe bed 17 (referring to Fig. 4), the lower end of cutter hub case 7 is equipped with worm gear case 13, left vertical in the case is equipped with worm screw 10 (referring to Fig. 3) in 7 supportings of cutter hub case, the top of worm screw 10 is fixed with the handwheel 9 that can make its rotation, be fixed on the lower end of the power transmission shafts of installing in the worm gear case 13 11 with the worm gear 12 of worm screw 10 engagement, this end bearing is on the tank wall of worm gear case 13, power transmission shaft 11 is installed along the length direction of cutter hub case 7, its upper end is bearing on the tank wall on cutter hub case 7 tops, power transmission shaft 11 stretches out on the termination beyond the cutter hub case 7, be installed with the rotating disk 14 that leans against above the cutter hub case 7, be provided with the cannelure 15 concentric with power transmission shaft 11 in the upper surface of cutter hub case 7, the fixing guide finger in the lower surface of rotating disk 14 is inserted in the cannelure 15, the upper end of rotating disk 14 is equipped with arc knife bar 3, and the end of arc knife bar 3 is equipped with jackscrew 1 and withstands on the cutter head of adorning in the tool bore 2 20.

Depth of cut raising turning accuracy for micro-adjustment tool head 20, be provided with spill dovetail groove 5 on the top of rotating disk 14, nut is fixed in the groove, its center and spill dovetail groove 5 are in the same center line, between rotating disk 14 and arc knife bar 3, tool rest 4 is installed, the bottom of tool rest 4 is provided with the protruding dovetail that adapts with spill dovetail groove 5, adjusting screw(rod) 6 passes the two ends of nut two supports at protruding dovetail, or the installation site of spill dovetail groove 5 and protruding dovetail put upside down mutually, all can as long as can reach the purpose of the depth of cut of micro-adjustment tool head 20.Turn screw rod 6, tool rest 4 is moved laterally on rotating disk 14.

During the outer spheroid of turning, the raw material of workpiece 17 is clipped on the chuck 16, pressing plate on the cutter hub case 78 is pressed on the knife rest 19 of lathe, manually vertical slide carriage 21 and horizontal slide carriage 18 stop to the correct position of workpiece 17, with cutter head 20 subtend workpiece 17, start lathe workpiece 17 is rotated, the handwheel 9 that hand worm screw 10 ends are installed rotates worm screw 10, through worm gear 12, power transmission shaft 11, again by rotating disk 14 drive arc knife bars 3 and on cutter head 20 rotate the spherical of can turning going out around workpiece 17.When outside the large batch of processing of needs during spheroid, also micromachine can be installed on slide carriage, drive worm screw 10 by speed change again and rotate turning, effect will be better.The end of arc knife bar is fixed with cutter head.

The utility model also has following key character:

Between rotating disk and arc knife bar, also tool rest can be installed, be connected with dovetail groove with dovetail between tool rest and rotating disk, tool rest laterally moving on rotating disk rotated and driven nut that tool rest installs down and move and realize by being bearing in screw rod above the rotating disk respectively.

During use, the raw material of workpiece is clipped on the chuck of lathe, pressing plate on the cutter hub case is pressed on the knife rest of lathe, manually vertical slide carriage and horizontal slide carriage stop to the correct position of workpiece, with cutter head subtend workpiece, start lathe workpiece is rotated, the handwheel that hand worm screw end is installed, the rotation of worm screw, again by worm gear, power transmission shaft, drive on the rotating disk the arc knife bar and on cutter head around the workpiece turning spherical of going out.Finely tune the depth of cut if add between tool rest and rotating disk to be connected with dovetail groove with dovetail, its turning meeting is convenient, and precision is higher.Owing to when turner, will indulge and substantially move after slide carriage and horizontal slide carriage are adjusted the position, only with handwheel fixing on the hand worm screw, can make the cutter head of installing on the knife bar around being rotated by turner, though cutter head is that the motion of cutter head is according to fixation locus, whenever advances cutter No. one time with hand rotation feed, the depth of cut of the turning process that it is whole is duplicate, need not use hand control, thus the turning accuracy height, the work efficiency height, working strength of workers is low, and percent defective is low.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a partial cutaway front view of the present utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the partial view of worm and gear engagement among Fig. 1;

Fig. 4 is the scheme of installation of outer spheroid processing lathe tool.

The specific embodiment

Among Fig. 1, Fig. 2, the side at hollow cutter hub case 7 middle parts of elongated is provided with the pressing plate 8 with its disjunctor,

Claims

1, a kind of outer spheroid processing lathe tool, it is characterized in that: in middle part one side of the hollow cutter hub case of elongated, be provided with its disjunctor, can be pressed in the pressing plate on the lathe saddle, one termination of cutter hub case is equipped with worm gear case, worm screw one end that the case internal support is installed is fixed with handwheel, power transmission shaft is installed along the length direction of cutter hub case, one end bearing is on the tank wall of worm gear case, the other end be bearing in the cutter hub case on the tank wall of worm gear case end and stretch out outside the case, the worm gear that is meshed with worm screw is fixed on the worm gear case intermediate solid drive shaft, power transmission shaft stretches out the outer termination portion of cutter hub case and is fixed with rotating disk, the end face of rotating disk leans against on the end face of cutter hub case rotationally, the rotating disk other end is equipped with the arc knife bar, and the end of arc knife bar is fixed with cutter head.

2, outer spheroid processing lathe tool as claimed in claim 1, it is characterized in that: between rotating disk and arc knife bar, tool rest is installed, be connected with dovetail groove with dovetail between the plane of tool rest and rotating disk, at the tool rest lower support screw rod is arranged, in the dovetail groove on the rotating disk nut is installed, screw rod is through in the nut.